Do less too, if anyone dares to complain, document and point out the double standard then remind your employer that discrimination is illegal. If they punish you, sue and get rich I guess.
Or
Find a new job
Or
Just ignore it if you aren't stressed out with the amount of work you have
Or
Play the game too, humans are social creatures at the end of the day
We don't really know your life or situation so at best, all the advice here is educated guessing or worse.